Home in Sherbourne Street (4)
I believe the answer is:
nest
'home' is the definition.
(a bird's home)
'in sherbourne street' is the wordplay.
'in' says the answer is hidden in the clue.
'NEST' can be found hidden inside 'sherbourne street'.
(Other definitions for nest that I've seen before include "Home of twigs, perhaps" , "Bird shelter" , "Cosy place" , "breeding-ground" , "Robin's home" .)